Home / 14,446.20-19,933.74-8,072.52

Finding the Fourth Proportional to 14,446.20, 19,933.74 and 8,072.52

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Solution

The fourth proportional to 14,446.20, 19,933.74 and 8,072.52 is: 11,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.20 : 19,933.74 = 8,072.52 : x
  2. Step 2: Convert to fraction form
    14,446.20/19,933.74 = 8,072.52/x
  3. Step 3: Cross multiply
    14,446.20x = 19,933.74 × 8,072.52
  4. Step 4: Simplify right side
    14,446.20x = 160,915,514.82
  5. Step 5: Solve for x
    x = 160,915,514.82/14,446.20
  6. Step 6: Final answer
    x = 11,138.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.